#include<stdio.h>
int main()
{
	double a,b,c,d,e,f;
	int g;
	a=2;
	b=4;
	c=a+b;
	d=a-b;
	e=a*b;
	f=a/b;
	g=(int)a%(int)b
	printf("c=%lf\n",c);
	printf("d=%lf\n",d);
	printf("e=%lf\n",e);
	printf("f=%lf\n",f);
	printf("g=%d\n",g);
	return 0;
}
